CN208565514U - The high speed shaft sealing hydrocarbons structure of vertical and high-speed case - Google Patents
The high speed shaft sealing hydrocarbons structure of vertical and high-speed case Download PDFInfo
- Publication number
- CN208565514U CN208565514U CN201820306293.XU CN201820306293U CN208565514U CN 208565514 U CN208565514 U CN 208565514U CN 201820306293 U CN201820306293 U CN 201820306293U CN 208565514 U CN208565514 U CN 208565514U
- Authority
- CN
- China
- Prior art keywords
- oil
- sealing
- high speed
- speed shaft
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sealing Devices (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The high speed shaft sealing hydrocarbons structure of vertical and high-speed case, it mainly include sliding bearing, case lid, high speed shaft, cabinet, oil sealing, venthole, sealing gland, oil return hole composition, the sliding bearing is sleeved on high speed shaft, the oil sealing is mounted on cabinet by bolt, it is provided on the cabinet convenient for the venthole outside gas discharge cabinet, the lower end of the oil sealing opens up the oil back chamber of a waist font groove and axial oil return hole connection, the sealing gland are mounted on the cabinet on the outside of oil sealing by bolt；The oil sealing is a split part, it is separated after overall processing according to center line, and it is integral by bolt and pin connection, the oil sealing front end is arranged on three claw type positioning ports in upper semi-circle, and lower section is largely to return to the intracorporal cavity of case from there convenient for sliding bearing oil liquid；The high speed shaft directly backs into the intracorporal boss of case equipped with the most oil liquid for playing the role of getting rid of oil, sliding bearing being made to come.
Description
Technical field
The utility model relates to a kind of high speed shaft sealing hydrocarbons structures of vertical and high-speed case, belong to high speed shaft of gearbox
Technical field of sealing technology
Background technique
At present since the revolving speed of vertical and high-speed case high speed axis is fast, load is big, and sealing means are various informative, functional structure difference
It is larger.Such as various contact seals, abrasion will cause to fail, and replace inconvenience after wearing；Solve abrasion method right and wrong
Contact seal, but current non-contact seals oil enveloping structure, have the defects that using effect is undesirable, after long-time use
Oil sealing abrasion, can cause high speed shaft to start oil leak, a series of losses caused by such case will be unable to estimate.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and the one kind provided is simple and compact for structure,
Part is few at low cost, and manufacture, installation accuracy are of less demanding, and high sealing reliability is easy to maintain, vertical and high-speed with long service life
The high speed shaft sealing hydrocarbons structure of case.
The purpose of this utility model is completed by following technical solution, a kind of high speed shaft of vertical and high-speed case
Sealing hydrocarbons structure mainly includes sliding bearing, case lid, high speed shaft, cabinet, oil sealing, venthole, sealing gland, oil return hole composition, institute
It states sliding bearing to be sleeved on high speed shaft, the oil sealing is mounted on cabinet by bolt, is provided on the cabinet convenient for gas
The venthole outside cabinet is discharged in body, and the lower end of the oil sealing opens up the oil back chamber of a waist font groove and axial oil return hole joins
Logical, the sealing gland is mounted on the cabinet on the outside of oil sealing by bolt.
As preferred: the oil sealing is a split part, is separated after overall processing according to center line, and pass through bolt and pin
Connection is integral, and the oil sealing front end is arranged on three claw type positioning ports in upper semi-circle, and lower section is a convenient for sliding bearing
Oil liquid largely returns to the intracorporal cavity of case from there；
The high speed shaft directly backs into cabinet equipped with the most oil liquid for playing the role of getting rid of oil, sliding bearing being made to come
Interior boss.
As preferred: the outer diameter and oil sealing inner hole of the high speed shaft are accordingly respectively equipped with 3-5 be arranged successively, formation
The ring packing teeth in the channel of many throttle clearances and expansion cavity composition；
Pin hole is opened up on three claw type positioning ports of the oil sealing, and sliding bearing and oil sealing are coupled by installation pin,
Prevent sliding bearing from rotating in a circumferential direction.
The utility model, which is utilized, is arranged several ring packing teeths in high speed shaft, oil sealing and sealing gland, forms maze trough, labyrinth
Minim gap between slot causes to damp to the lubricating oil of leakage, and the pressure of Leakage Energy is gradually reduced by multistage maze trough, when
When the pressure of Leakage Energy decreases below atmospheric pressure, lubricating oil then comes back gear-box by external pressure, plays sealing function.
The utility model be provided with reasonable oil back chamber and oil return hole, make oil liquid it is unobstructed return to cabinet, not will receive tired
The trouble of oil, and also adds venthole, excludes outside cabinet in time convenient for gas, does not cause pressure difference, avoid box house because
Pressure is high and generates mist of oil.
The utility model has simple and compact for structure, and part is few at low cost, and manufacture, installation accuracy are of less demanding, and sealing can
It is easy to maintain by property height, the features such as long service life.
Detailed description of the invention
Fig. 1 is the vertical and high-speed high speed shaft of gearbox modular construction schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of oil sealing described in the utility model.
Fig. 3 is the schematic perspective view of oil sealing described in the utility model.
Specific embodiment
Be described in detail below in conjunction with attached drawing to the utility model: shown in Fig. 1, one kind described in the utility model is vertical
The high speed shaft sealing hydrocarbons structure of fast chamber mainly includes sliding bearing 1, case lid 2, high speed shaft 3, cabinet 4, oil sealing 5, venthole
7, sealing gland 8, oil return hole 9 form, and the sliding bearing 1 is sleeved on high speed shaft 3, and the oil sealing 5 is mounted on cabinet by bolt 6
On 4, it is provided on the cabinet 4 convenient for the venthole 7 outside gas discharge cabinet, the lower end of the oil sealing 5 opens up a waist
9 connection of the oil back chamber of font groove and axial oil return hole, the sealing gland 8 are mounted on the cabinet in 5 outside of oil sealing by bolt；It is described
Sliding bearing 1 be adapt to high-speed overload tilting-pad bearing.
Fig. 2, shown in 3, the oil sealing 5 is a split part, is separated after overall processing according to center line, and pass through bolt 6
Couple integrally with pin 10,5 front end of oil sealing is arranged on three claw type positioning ports in upper semi-circle, and lower section is a convenient for cunning
1 oil liquid of dynamic bearing largely returns to the intracorporal cavity of case from there；
The high speed shaft 3 directly backs into case equipped with the most oil liquid for playing the role of getting rid of oil, sliding bearing 1 being made to come
Intracorporal boss.
The outer diameter and 5 inner hole of oil sealing of high speed shaft 3 described in the utility model be accordingly respectively equipped with it is that 3-5 is arranged successively,
It forms many throttle clearances and expands the ring packing teeth in the channel of cavity composition；
Pin hole is opened up on three claw type positioning ports of the oil sealing 5, and sliding bearing 1 and oil sealing are coupled by installation pin
5, prevent sliding bearing 1 from rotating in a circumferential direction.
Embodiment: shown in Fig. 1-3, a kind of high speed shaft sealing hydrocarbons structure of vertical and high-speed case, it mainly includes sliding axle
1, case lid 2, high speed shaft 3, cabinet 4, oil sealing 5, bolt 6, venthole 7, sealing gland 8, oil return hole 9, pin 10 is held to form.The sliding axle
It holds 1 to be sleeved on high speed shaft 3, the oil sealing 5 is mounted on cabinet 4 by bolt 6, that is, is located at 1 one end of sliding bearing, the case
Lid 2 is bolted with cabinet 4, and venthole 7 is arranged on the cabinet 4, excludes outside cabinet convenient for gas, the oil sealing 5
Lower end open up the oil back chamber of a waist font groove and axial 9 connection of oil return hole, the sealing gland 8 are mounted on cabinet by bolt
On.
The high speed shaft 3 is equipped with a boss, plays the effect for getting rid of oil, and the most oil liquid for making sliding bearing 1 come are straight
It takes back in cartonning body.
The outer diameter and 5 inner hole of oil sealing of the high speed shaft 3 are designed with the 3-5 ring packing teeths being arranged successively, and are formed many
The channel of throttle clearance and expansion cavity composition, oil liquid generate very big energy loss by repeatedly throttling, are difficult to oil liquid
Leakage.
The lower end of the oil sealing 5 opens up 9 connection of oil back chamber and axial oil return hole of a waist font groove, excludes in time remaining
Oil liquid, the oil sealing 5 are a split parts, separate after overall processing according to center line, are connected, be convenient for by bolt 6 and pin 10
Installation, 5 front end of oil sealing is three claw type positioning ports, is arranged in upper semi-circle, and such lower end is a cavity convenient for 1 oil of sliding bearing
Liquid largely returns in cabinet from there, and pin hole is opened up on the three-jaw seam allowance of the oil sealing 5, and installation pin couples sliding bearing 1
Between oil sealing 5, prevent sliding bearing 1 from rotating in a circumferential direction.
Venthole is set on the cabinet 4, is excluded outside cabinet in time convenient for gas, does not cause pressure difference, avoided in cabinet
Portion generates mist of oil because of pressure height.
The oil sealing 4 and 4 material of sealing gland are aluminum material, and coefficient of friction is low, caused small power consumption, are played ideal close
Envelope acts on and avoids wearing.
The sealing gland 8 is mounted on cabinet by bolt, and inner hole and output shaft have ring packing teeth, is formed between one
Gap seal chamber generates very big energy loss by repeatedly throttling, reaches sealing purpose.
The principles of the present invention are: several ring packing teeths are arranged in high speed shaft, oil sealing and sealing gland, form labyrinth
Slot, the minim gap between maze trough, causes to damp, gradually reduces Leakage Energy by multistage maze trough to the lubricating oil of leakage
Pressure, when the pressure of Leakage Energy decreases below atmospheric pressure, lubricating oil then comes back gear-box by external pressure, plays close
Envelope effect, while the lower end of oil sealing opens up the oil back chamber and axial direction oil return hole connection of a waist font groove, makes the stream that oil liquid is unobstructed
Box house is returned, does not generate and venthole is set on pocketed oil situation and cabinet, excluded outside cabinet in time convenient for high pressure gas,
It avoids because pocketed oil and high pressure make to avoid generating mist of oil in cabinet.
Claims (3)
1. the high speed shaft sealing hydrocarbons structure of vertical and high-speed case mainly includes sliding bearing (1), case lid (2), high speed shaft (3), case
Body (4), oil sealing (5), venthole (7), sealing gland (8), oil return hole (9) composition, it is characterised in that the sliding bearing (1) is sleeved on
On high speed shaft (3), the oil sealing (5) is mounted on cabinet (4) by bolt (6), is provided on the cabinet (4) convenient for gas
The venthole (7) outside cabinet is discharged, the lower end of the oil sealing (5) opens up the oil back chamber and axial oil return hole of a waist font groove
(9) connection, the sealing gland (8) are mounted on the cabinet on the outside of oil sealing (5) by bolt.
2. the high speed shaft sealing hydrocarbons structure of vertical and high-speed case according to claim 1, it is characterised in that the oil sealing (5)
It is a split part, is separated after overall processing according to center line, and is integral by bolt (6) and pin (10) connection, the oil
Envelope (5) front end is arranged on three claw type positioning ports in upper semi-circle, lower section be convenient for sliding bearing (1) oil liquid it is most of from
The intracorporal cavity of case is returned to herein；
The high speed shaft (3) directly backs into case equipped with the most oil liquid for playing the role of getting rid of oil, sliding bearing (1) being made to come
Intracorporal boss.
3. the high speed shaft sealing hydrocarbons structure of vertical and high-speed case according to claim 1 or claim 2, it is characterised in that the high speed shaft
(3) outer diameter and oil sealing (5) inner hole is accordingly respectively equipped with 3-5 be arranged successively, many throttle clearances of formation and expansion is empty
The ring packing teeth in the channel of chamber composition；
Pin hole is opened up on three claw type positioning ports of the oil sealing (5), and passes through installation pin connection sliding bearing (1) and oil sealing
(5), prevent sliding bearing (1) from rotating in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820306293.XU CN208565514U (en) | 2018-03-06 | 2018-03-06 | The high speed shaft sealing hydrocarbons structure of vertical and high-speed case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820306293.XU CN208565514U (en) | 2018-03-06 | 2018-03-06 | The high speed shaft sealing hydrocarbons structure of vertical and high-speed case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565514U true CN208565514U (en) | 2019-03-01 |
Family
ID=65453096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820306293.XU Active CN208565514U (en) | 2018-03-06 | 2018-03-06 | The high speed shaft sealing hydrocarbons structure of vertical and high-speed case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331906A (en) * | 2018-03-06 | 2018-07-27 | 杭州前进齿轮箱集团股份有限公司 | A kind of high speed shaft sealing hydrocarbons structure of vertical and high-speed case |
-
2018
- 2018-03-06 CN CN201820306293.XU patent/CN208565514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331906A (en) * | 2018-03-06 | 2018-07-27 | 杭州前进齿轮箱集团股份有限公司 | A kind of high speed shaft sealing hydrocarbons structure of vertical and high-speed case |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101303016A (en) | Rotor spindle sealing structure of oil-free rotary compressor | |
| CN208565514U (en) | The high speed shaft sealing hydrocarbons structure of vertical and high-speed case | |
| CN209959492U (en) | Sealing structure of steam centrifugal compressor | |
| CN203404120U (en) | Sealing structure of turbocharger compressor | |
| CN108331906A (en) | A kind of high speed shaft sealing hydrocarbons structure of vertical and high-speed case | |
| CN103803305A (en) | Double-sealed rotary valve | |
| CN202611779U (en) | Double-seal-ring and double-oil-cavity middle body structure for turbocharger | |
| CN201018332Y (en) | Bidirectional seal structure for electric motor axis | |
| CN207661148U (en) | A kind of spiral dryer mechanical seal | |
| CN211202129U (en) | Bearing supporting structure of double-rotor gas turbine engine | |
| CN114033851A (en) | Sealed oil return structure of wind power gear box output shaft | |
| CN208294958U (en) | A kind of deep groove ball bearing | |
| CN201043605Y (en) | Axle head sealing structure of speed reducer | |
| CN209309280U (en) | A kind of helixseal structure of wire drawing machine gearbox input shaft | |
| CN206377276U (en) | A kind of shaft sealing device | |
| CN201118327Y (en) | Electromotor combined axis seal | |
| CN103334927A (en) | Semi-closed oil injection screw supercharger | |
| CN203321826U (en) | Half-sealed oil injecting screw booster | |
| CN201057272Y (en) | Gas sealing mechanism of bearing inner cover | |
| CN215110427U (en) | Oil seal structure of gear box | |
| CN216279376U (en) | Shaft end sealing structure | |
| CN201687530U (en) | Shaft seal for expander | |
| CN216343439U (en) | High-rotating-speed deep groove ball bearing of gearbox | |
| CN208311415U (en) | A kind of bearing in reduction gears end cover sealing structure | |
| CN214118555U (en) | Oil seal structure of compressor and centrifugal compressor comprising same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |